/*
 * Copyright 2012-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package websocket;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.handler.PerConnectionWebSocketHandler;
import org.springframework.web.socket.server.standard.ServerEndpointExporter;
import websocket.client.GreetingService;
import websocket.client.SimpleGreetingService;
import websocket.echo.DefaultEchoService;
import websocket.echo.EchoService;
import websocket.echo.EchoWebSocketHandler;
import websocket.reverse.ReverseWebSocketEndpoint;
import websocket.snake.SnakeWebSocketHandler;

@Configuration
@EnableAutoConfiguration
@EnableWebSocket
public class SpringBootWebSocketApplication
	implements WebSocketConfigurer
{

	public static void main(String[] args)
	{
		SpringApplication.run(SpringBootWebSocketApplication.class, args);
	}

	@Override
	public void registerWebSocketHandlers(WebSocketHandlerRegistry registry)
	{
		registry.addHandler(echoWebSocketHandler(), "/echo").withSockJS();
		registry.addHandler(snakeWebSocketHandler(), "/snake").withSockJS();
	}

	@Bean
	public EchoService echoService()
	{
		return new DefaultEchoService("Did you say \"%s\"?");
	}

	@Bean
	public GreetingService greetingService()
	{
		return new SimpleGreetingService();
	}

	@Bean
	public WebSocketHandler echoWebSocketHandler()
	{
		return new EchoWebSocketHandler(echoService());
	}

	@Bean
	public WebSocketHandler snakeWebSocketHandler()
	{
		return new PerConnectionWebSocketHandler(SnakeWebSocketHandler.class);
	}

	@Bean
	public ReverseWebSocketEndpoint reverseWebSocketEndpoint()
	{
		return new ReverseWebSocketEndpoint();
	}

	@Bean
	public ServerEndpointExporter serverEndpointExporter()
	{
		return new ServerEndpointExporter();
	}

}
